Author: Li, W.L.
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MOPC12 The Radial Detector in the Cyclotron of HIMM 140
  • M. Li, Y.C. Chen, Y.C. Feng, X.C. Kang, S. Li, W.L. Li, W.N. Ma, R.S. Mao, Y.G. Nie, H.H. Song, Y. Wang, Y. Yin, T.C. Zhao
    IMP/CAS, Lanzhou, People's Republic of China
  The cyclotron is designed as the injector of the Heavy Ion Medical Machine (HIMM) in Wuwei city, China. It provides 10 uA carbon beams to fulfill the requirement of the accumulation in the following syn-chrotron. The Radial detector is used to measure the beam current and beam turn motion in this Cyclotron. The beam current signal gathered by radial detector is acquired by four picoammeters, meanwhile the beam time structure is measured with FPGA and real time operating system. This paper introduces the design of radial detector, the motion control and data acquisition system for it of the cyclotron. Finally, the beam current and turn pattern measurement results at HIMM are presented in this paper.  
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